Nothing here

Hello, im shiminhtien and im the stupidest and brainrot coder 💩!
Contract me? I am stupid! 😭 and my friends muted me!!!

My name is Long

include<iostream>

include<algorithm>

using namespace std;

int main () {
int n;
cin >> n;
int a[n];
for (int i=0;i<n;i++) { cin >> a[i];
}
int dem=0;
sort (a,a+n);
int i=0,j=1,k=n-1;
while (true) {
while ((a[i]+a[j])<=a[k]) {
if (j<k-1) j++; else i++; if (i==(j-1) && j == (k-1) ) break; } if ( (a[i]+a[j])>a[k] && i<j && j < k) {
dem=dem+(k-j)*(j-i);
}
i=0;j=1;k=k-1;
if (k==1)break;
}
cout << dem;
}

NOTHING

include<bits/stdc++.h>

using namespace std;

int main() {
string s;
getline(cin,s);
for (int i = 0; i < s.size(); i++) {
if (s[i] >= 'a' && s[i] <= 'z') {
s[i] -= 32;

    }
        else s[i] += 32;

}

cout << s;
return 0;

}

include <bits/stdc++.h>

using namespace std;
int main ()
{
int n, m;
cin >> n >> m;
int a[n];
int sum = 0;
for (int i = 0; i < n; i++) {
cin >> a[i];
}
sort(a, a + n,greater<int>());
if (a[0] == 0) {
cout << "-1";
exit(0);
}
for (int i = 0; i < n; i++) {
if (i != 0) {
sum += a[i] - 1;
} else {
sum += a[i];
}
if (sum >= m) {
cout << i + 1;
exit(0);
}
}
cout << "-1";
return 0;
}